222022011131 has 4 divisors (see below), whose sum is σ = 222177599112. Its totient is φ = 221866423152.

The previous prime is 222022011073. The next prime is 222022011143. The reversal of 222022011131 is 131110220222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222022011131 is a prime.

It is a super-2 number, since 2×222022011131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222022011181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77791850 + ... + 77794703.

It is an arithmetic number, because the mean of its divisors is an integer number (55544399778).

Almost surely, 2^222022011131 is an apocalyptic number.

222022011131 is a deficient number, since it is larger than the sum of its proper divisors (155587981).

222022011131 is a wasteful number, since it uses less digits than its factorization.

222022011131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155587980.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 222022011131 its reverse (131110220222), we get a palindrome (353132231353).

The spelling of 222022011131 in words is "two hundred twenty-two billion, twenty-two million, eleven thousand, one hundred thirty-one".